import static org.junit.Assert.*;

public class LiczbyTestUnit {
	public Liczby testowa;
	public void testZamiana() {						
				assertNotNull(testowa);			
				assertEquals("10100",testowa.Zamiana(2));
				assertSame(Integer.valueOf(14), Integer.valueOf(testowa.Zamiana(16)));
				assertNotSame(testowa.Zamiana(11), null);
				assertEquals(Integer.parseInt("32"),Integer.parseInt(testowa.Zamiana(6)));
			}
	}